| Feature | Office 365 E1 ✕ | Office 365 E3 ✕ |
|---|---|---|
| Key questions | ||
| Office apps Word, Excel, PowerPoint, Outlook | Web & mobile | Desktop |
| Email threat protection Defender for Office 365 | — | Plan 1 |
| Threat protection | ||
| Defender for Office 365 (Plan 1) | — | ✓ |
| Information protection & compliance | ||
| Sensitivity labels & classification | — | ✓ |
Capabilities group Microsoft's service plans into what your users actually get. Switch to Technical detail for the raw service plans.